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These creamy string beans are buttery, rich, and full of flavor—an easy yet elegant side dish that brings comfort and freshness to any table.
1 pound fresh string beans, trimmed
2 tablespoons unsalted butter
1 tablespoon olive oil
1 medium onion, finely chopped
2 cloves garlic, minced
1 cup heavy cream
1 teaspoon Dijon mustard
Salt and pepper, to taste
¼ cup grated Parmesan cheese (optional)
1 tablespoon fresh parsley, chopped (for garnish)
Prep the Beans: Rinse and trim the ends off the string beans.
Blanch Beans: Boil a pot of water and blanch beans for 3–4 minutes until vibrant green. Drain and set aside.
Sauté Aromatics: In a large skillet, melt butter and olive oil over medium heat. Sauté chopped onion until translucent, about 5 minutes. Add garlic and cook for 1 more minute.
Add Cream & Mustard: Pour in heavy cream and stir in Dijon mustard. Stir to combine.
Season: Add salt and pepper to taste. Let the sauce simmer until slightly thickened, about 3–5 minutes.
Combine: Add the blanched green beans to the skillet and toss gently in the cream sauce.
Optional Cheese: Stir in Parmesan cheese until melted, if using.
Serve: Garnish with fresh parsley and serve warm.
For extra flavor, use sautéed mushrooms or chopped bacon.
To make ahead, prep the sauce and beans separately, then combine and reheat before serving.
For a lighter version, use half-and-half instead of heavy cream.
Works well with green beans or haricot verts.